| 年度 | 实际值 |
|---|---|
| 1993 | 1534 |
| 1994 | 1534 |
| 1995 | 6076 |
| 1996 | 6076 |
| 1997 | 6076 |
| 1998 | 12449 |
| 1999 | 12449 |
| 2000 | 14876 |
| 2001 | 14875 |
| 2002 | 16291 |
| 2003 | 7152 |
| 2004 | 7152 |
| 2005 | 7152 |
| 2006 | 26041 |
| 2007 | 26041 |
| 2008 | 26041 |
| 2009 | |
| 2010 | 26041 |
| 2011 | 26041 |
| 2012 | 29590 |
| 2013 | 29590 |
| 2014 | 29590 |
| 2015 | 34505 |
| 2016 | 43263 |
| 2017 | 43263 |
| 2018 | 43263 |